krb5: NULL pointer dereference when using keyless entries
Published Dec 16, 2014
3.5
LOWCVSS 2.0
EPSS 1.74%
Description
plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by creating a database entry for a keyless principal, as demonstrated by a kadmin "add_principal -nokey" or "purgekeys -all" command.
Affected products
No data.
- 5_1.13
- 1.12
- 1.12.1
- 1.12.2
No data.
Red Hat Enterprise Linux 5
krb5
Not affected
Red Hat Enterprise Linux 6
krb5
Not affected
Red Hat Enterprise Linux 7
krb5
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | krb5 | Not affected | n/a |
| Red Hat Enterprise Linux 6 | krb5 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | krb5 | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue does not affect the version of krb5 package as shipped with Red Hat Enterprise Linux 5, 6 and 7.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.74% (0.01740) | 76.91th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.74% (0.01740) | 74.70th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.56% (0.00564) | 66.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.86% (0.00863) | 83.03th | v3 (v2023.03.01) |
| Jul 18, 2024 | 0.86% (0.00863) | 82.50th | v3 (v2023.03.01) |
| Jan 10, 2024 | 0.86% (0.00863) | 80.50th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.90% (0.00901) | 80.26th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.13% (0.01132) | 56.11th | v2 (v2022.01.01) |
| Sep 22, 2022 | 1.13% (0.01132) | 54.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.13% (0.01132) | 52.58th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.13% (0.01132) | 30.65th | v2 (v2022.01.01) |
References (9)
- http://lists.opensuse.org/opensuse-updates/2015-03/msg00061.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/71680 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031376 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2498-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-5354 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1174546 Issue Tracking
- https://github.com/krb5/krb5/commit/04038bf3633c4b909b5ded3072dc88c8c419bf16 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2014-5354
- https://www.cve.org/CVERecord?id=CVE-2014-5354
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-updates/2015-03/msg00061.html | vendor-advisoryx_refsource_SUSE | |
| http://www.securityfocus.com/bid/71680 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1031376 | vdb-entryx_refsource_SECTRACK | |
| http://www.ubuntu.com/usn/USN-2498-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2014-5354 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1174546 | Issue Tracking | |
| https://github.com/krb5/krb5/commit/04038bf3633c4b909b5ded3072dc88c8c419bf16 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-5354 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-5354 |
Change history (0)
No recorded changes yet.